| Article number | 3SK2941-2AA10 | 3SK2941-2AA11 | |
| Starter kit for safety relay 3SK2 Content: Basic unit 3SK2 22.5 mm (3SK2112-2AA10), Software SIRIUS Safety ES V 1.0 standard, USB PC cable | starter kit for safety relay 3SK2 content: basic unit 3SK2 22.5 mm (3SK2112-2AA10), USB cable software SIRIUS Safety ES V17 Basic for free download | ||
| product brand name | SIRIUS | SIRIUS | |
| product category | Safety relay | Safety relay | |
| product designation | Basic starter kit | Basic starter kit | |
| design of the product | comprises 3SK2112-2AA10 basic unit, SIRIUS Safety ES Standard and 3UF7941-0AA00-0 USB PC cable | comprises 3SK2112-2AA10 basic unit, SIRIUS Safety Basic TIA for download and 3UF7941-0AA00-0 USB PC cable | |
| suitability for use for monitoring of optoelectronic protective devices according to IEC 61496-1 | Yes | Yes | |
| suitability for use | |||
| ● monitoring of floating sensors | Yes | Yes | |
| ● monitoring of non-floating sensors | Yes | Yes | |
| ● position switch monitoring | Yes | Yes | |
| ● EMERGENCY-OFF circuit monitoring | Yes | Yes | |
| ● valve monitoring | Yes | Yes | |
| ● opto-electronic protection device monitoring | Yes | Yes | |
| ● magnetically operated switch monitoring | Yes | Yes | |
| ● proximity switch monitoring | Yes | Yes | |
| ● safety-related circuits | Yes | Yes | |
| General technical data | |||
| product function | |||
| ● EMERGENCY STOP function | Yes | Yes | |
| ● protective door monitoring | Yes | Yes | |
| ● protective door monitoring with tumbler | Yes | Yes | |
| ● muting, 2 sensor-parallel | Yes | Yes | |
| ● muting, 4 sensor-parallel | Yes | Yes | |
| ● muting, 4 sensor-sequential | Yes | Yes | |
| ● monitoring parameterizable | Yes | Yes | |
| ● evaluation: electro-sensitive protective equipment | Yes | Yes | |
| ● evaluation: selector switch | Yes | Yes | |
| ● pressure-sensitive mat monitoring | Yes | Yes | |
| ● evaluation: two-hand operator panel | Yes | Yes | |
| ● evaluation: enabling switch | Yes | Yes | |
| ● monitored start-up | Yes | Yes | |
| ● two-hand control according to EN 574 | Yes | Yes | |
| configuration software required | Yes; Safety ES V1.0 and higher | Yes; Safety ES V1.0 and higher | |
| number of function blocks typical | 50 | 50 | |
| insulation voltage rated value | 50 V | 50 V | |
| degree of pollution | 3 | 3 | |
| surge voltage resistance rated value | 800 V | 800 V | |
| protection class IP | |||
| ● of the enclosure | IP20 | IP20 | |
| ● of the terminal | IP20 | IP20 | |
| shock resistance | 15g / 11 ms | 15g / 11 ms | |
| vibration resistance according to IEC 60068-2-6 | 5 ... 500 Hz: 0.75 mm | 5 ... 500 Hz: 0.75 mm | |
| operating frequency maximum | 2 000 1/h | 2 000 1/h | |
| reference code according to IEC 81346-2 | F | F | |
| Substance Prohibitance (Date) | 07/01/2006 | 07/01/2006 | |
| SVHC substance name |
Lead monoxide (lead oxide) - 1317-36-8
Lead titanium zirconium oxide - 12626-81-2
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one - 71868-10-5
|
Lead - 7439-92-1
Lead monoxide (lead oxide) - 1317-36-8
2,2',6,6'-tetrabromo-4,4'-isopropylidenediphenol - 79-94-7
Lead titanium zirconium oxide - 12626-81-2
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one - 71868-10-5
|
|
| Net Weight | 0.638 kg | 0.45 kg | |
| product function suitable for AS-i Power24V | No | No | |
| product function diagnostics with CTT2 device | No | No | |
| Ambient conditions | |||
| installation altitude at height above sea level maximum | 4 000 m | 4 000 m | |
| ambient temperature | |||
| ● during operation | -25 ... +60 °C | -25 ... +60 °C | |
| ● during storage | -40 ... +80 °C | -40 ... +80 °C | |
| ● during transport | -40 ... +80 °C | -40 ... +80 °C | |
| relative humidity during operation | 10 ... 95 % | 10 ... 95 % | |
| air pressure according to SN 31205 | 90 ... 106 kPa | 90 ... 106 kPa | |
| Electromagnetic compatibility | |||
| EMC emitted interference according to IEC 60947-1 | class A | class A | |
| conducted interference | |||
| ● due to burst according to IEC 61000-4-4 | 2 kV (power ports) / 1 kV (signal ports) | 2 kV (power ports) / 1 kV (signal ports) | |
| field-based interference according to IEC 61000-4-3 | 10 V/m | 10 V/m | |
| electrostatic discharge according to IEC 61000-4-2 | 4 kV contact discharge / 8 kV air discharge | 4 kV contact discharge / 8 kV air discharge | |
| Safety related data | |||
| diagnostics test interval by internal test function maximum | 1 000 s | 1 000 s | |
| stop category according to IEC 60204-1 | 0 / 1 | 0 / 1 | |
| IEC 62061 | |||
| SIL Claim Limit (subsystem) according to EN 62061 | 3 | 3 | |
| Safety Integrity Level (SIL) | |||
| ● according to IEC 62061 | SIL 3 | SIL 3 | |
| PFHD with high demand rate | |||
| ● according to IEC 62061 | 1E-8 1/h | 1E-8 1/h | |
| ISO 13849 | |||
| performance level (PL) according to EN ISO 13849-1 | e | e | |
| category according to EN ISO 13849-1 | 4 | 4 | |
| performance level (PL) | |||
| ● according to ISO 13849-1 | PL e | PL e | |
| IEC 61508 | |||
| Safety Integrity Level (SIL) | |||
| ● according to IEC 61508 | 3 | 3 | |
| PFDavg with low demand rate according to IEC 61508 | 1.5E-5 | 1.5E-5 | |
| hardware fault tolerance | |||
| ● according to IEC 61508 | 1 | 1 | |
| T1 value | |||
| ● for proof test interval or service life according to IEC 61508 | 20 a | 20 a | |
| Electrical Safety | |||
| touch protection against electrical shock | finger-safe | finger-safe | |
| Inputs/ Outputs | |||
| product function | |||
| ● parameterizable inputs | Yes | Yes | |
| ● parameterizable outputs | Yes | Yes | |
| ● at the digital outputs short-circuit protection | Yes | Yes | |
| number of inputs | |||
| ● safety-related | 10 | 10 | |
| ● non-safety-related | 0 | 0 | |
| input delay time | 0 ... 150 ms | 0 ... 150 ms | |
| type of digital inputs according to IEC 60947-1 | Type 1 | Type 1 | |
| ingress aquisition time at digital input maximum | 60 ms | 60 ms | |
| input delay time at digital input maximum | 150 ms | 150 ms | |
| input current at digital input | |||
| ● for signal <1> typical | 2.6 mA | 2.6 mA | |
| number of outputs | |||
| ● safety-related 2-channel | 2 | 2 | |
| ● for testing contact-based sensors | 2 | 2 | |
| number of outputs as contact-affected switching element safety-related | |||
| ● 1-channel | 0 | 0 | |
| ● 2-channel | 0 | 0 | |
| number of outputs as contact-less semiconductor switching element | |||
| ● safety-related 2-channel | 2 | 2 | |
| ● non-safety-related | 1 | 1 | |
| design of the contactless switching element safety-related | P potential | P potential | |
| recovery time of the safe outputs | 0 ms | 0 ms | |
| readback time maximum | 400 ms | 400 ms | |
| light test period | 3 ms | 3 ms | |
| dark period of the common drivers | 3 ms | 3 ms | |
| switching capacity current of semiconductor outputs at DC-13 at 24 V | 4 A | 4 A | |
| residual current | |||
| ● maximum | 0.1 mA | 0.1 mA | |
| ● at digital output with signal <0> maximum | 0.1 mA | 0.1 mA | |
| total current maximum | 6.5 A | 6.5 A | |
| voltage drop maximum | 0.5 V | 0.5 V | |
| wire length of the signal cable | |||
| ● to the inputs | |||
| — shielded maximum | 1 000 m | 1 000 m | |
| — unshielded maximum | 600 m | 600 m | |
| ● to the outputs | |||
| — shielded maximum | 1 000 m | 1 000 m | |
| — unshielded maximum | 600 m | 600 m | |
| Communication/ Protocol | |||
| protocol optional is supported | |||
| ● PROFIBUS DP protocol | Yes; when using the DP interface module; 64 bit cyclical data | Yes; when using the DP interface module; 64 bit cyclical data | |
| ● PROFINET IO protocol | Yes; when using the PN interface module; 64-bit cyclic data | Yes; when using the PN interface module; 64-bit cyclic data | |
| protocol is supported AS-Interface protocol | No | No | |
| Control circuit/ Control | |||
| type of voltage | DC | DC | |
| control supply voltage rated value | 24 V | 24 V | |
| operating range factor control supply voltage rated value at DC | |||
| ● initial value | 0.85 | 0.85 | |
| ● full-scale value | 1.2 | 1.2 | |
| inrush current peak | |||
| ● at 24 V | 10 A | 10 A | |
| duration of inrush current peak | |||
| ● at 24 V | 1 ms | 1 ms | |
| operating power rated value | 2.5 W | 2.5 W | |
| Installation/ mounting/ dimensions | |||
| mounting position | any | any | |
| fastening method | Snap-mounted to DIN rail or screw-mounted with additional push-in lug | Snap-mounted to DIN rail or screw-mounted with additional push-in lug | |
| height | 100 mm | 100 mm | |
| width | 22.5 mm | 22.5 mm | |
| depth | 124.5 mm | 124.5 mm | |
| Connections/ Terminals | |||
| product function removable terminal | Yes | Yes | |
| type of electrical connection | spring-loaded terminal (push-in) | spring-loaded terminal (push-in) | |
| type of connectable conductor cross-sections | |||
| ● solid | 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²) | 1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²) | |
| ● finely stranded with core end processing | 1x (0.5 ... 1.0 mm²), 2x (0.5 ... 1.0 mm²) | 1x (0.5 ... 1.0 mm²), 2x (0.5 ... 1.0 mm²) | |
| ● for AWG cables solid | 1x (20 ... 16), 2x (20 ... 16) | 1x (20 ... 16), 2x (20 ... 16) | |
| ● for AWG cables stranded | 1x (20 ... 16), 2x (20 ... 16) | 1x (20 ... 16), 2x (20 ... 16) | |
| connectable conductor cross-section finely stranded with core end processing | 0.5 ... 1 mm² | 0.5 ... 1 mm² | |
| Approvals Certificates | |||
| General Product Approval | |||
| UK Declaration of Conformity |
|
Yes | Yes |
| EU declaration of conformity |
|
Yes | Yes |
| cULus |
|
Yes | Yes |
| EAC |
|
Yes | Yes |
| EMV | |||
| RCM |
|
Yes | Yes |
| Functional Saftey | |||
| Type Examination Certificate | Yes | Yes | |
| other | |||
| Chinese Quality Checkmark |
|
Yes | Yes |
| Confirmation | Yes | Yes | |
| Environment | |||
| Environmental Confirmations | Yes | Yes | |
| Further information | |||
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| last modified: | 9/5/2025 | ||
| Date 11/27/2025 |
Subject to change without notice © Copyright Siemens 2025 |
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